It is best to use an online RuneScape skill calculator for these questions. That way, you can quickly try out different target levels, and different types of fish. In any case, assuming you are a non-member, I strongly suggest you use swordfish instead. Even with swordfish, it will only cost you a few million coins - and cooking tuna will take quite a bit longer.
That Entirely depends on how many hours a day you play runescape.
Heaps. iT takes 4000 hours of work to get to level 99 in all skills (according to runescape)
There are many level 3 accounts with a Slayer cape.
That's best consulted at an online skill calculator, such as the ones available at salmoneus.net, or runescape.wikia.com.
there are 23 skills in runescape
Thousands upon thousands. You're better off cooking swordfish---it'd take fewer of those.
125,851
There are many cooking ranges on runescape. The best cooking range on runescape is at Al-Kharid. It is the closest to a bank.
About 105,547 depending on how much exp you have right now.
it would take 180,937 trout bear in mind you can only cook about 1000 fish per hour
96,551. :) good luck
That Entirely depends on how many hours a day you play runescape.
As this sort of thing goes against one of Runescape's many rules, no.
Heaps. iT takes 4000 hours of work to get to level 99 in all skills (according to runescape)
it will take about 127,600 tunas from 60-99 cooking. Defiantly wouldn't cook tuna to 99 if i was you
8324 Monkfish http://www.tip.it/runescape/?page=cooking_calc.htm
Zezima was and he still is a legend among many